162129922 has 8 divisors (see below), whose sum is σ = 243757836. Its totient is φ = 80877312.

The previous prime is 162129917. The next prime is 162129937. The reversal of 162129922 is 229921261.

It can be written as a sum of positive squares in 2 ways, for example, as 160250281 + 1879641 = 12659^2 + 1371^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×162129922² = 52572223215452168, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92743 + ... + 94474.

Almost surely, 2^162129922 is an apocalyptic number.

162129922 is a deficient number, since it is larger than the sum of its proper divisors (81627914).

162129922 is a wasteful number, since it uses less digits than its factorization.

162129922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187652.

The product of its digits is 7776, while the sum is 34.

The square root of 162129922 is about 12733.0248566474. The cubic root of 162129922 is about 545.2818697371.

The spelling of 162129922 in words is "one hundred sixty-two million, one hundred twenty-nine thousand, nine hundred twenty-two".